Merge "SuspendSepolicyTests: Use target device grep" into main am: b3bf3983d8

Original change: https://android-review.googlesource.com/c/platform/system/hardware/interfaces/+/3393121

Change-Id: I04f62aafb2c708003c9fba16714a8fc927edfbc4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>